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This reference manual describes the syntax and “core semantics” of the
language. It is terse, but attempts to be exact and complete. The semantics of
non-essential built-in object types and of the built-in functions and modules
are described in The Python Standard Library. For an informal introduction to the
language, see The Python Tutorial. For C or C++ programmers, two additional
manuals exist: Extending and Embedding the Python Interpreter describes the high-level picture of how to
write a Python extension module, and the Python/C API Reference Manual describes the
interfaces available to C/C++ programmers in detail.